Siemens SITRANS FST030 - Page 187

Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
7042 Float / 4 Upper warning
limit
Exceeding this limit
causes a warning.
Max. floating
point value
[m/s]
(8014)
- Read /
write
7044 Float / 4 Lower warning
limit
Falling below this limit
causes a warning.
Min. floating
point value
[m/s]
(8014)
- Read /
write
7046 Float / 4 Lower alarm
limit
Falling below this limit
causes an alarm.
Min, floating
point value
[m/s]
(8014)
- Read /
write
7048 Float / 4 Hysteresis Hysteresis that affects
the alarm and warning
limits.
0.0
[m/s]
(8014)
- Read /
write
Density settings
Table A-35 Density settings
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
7601 Float / 4 Upper alarm
limit
Exceeding this limit
causes an alarm.
max. density
[kg/m
3
]
(7600)
0 - max. density Read /
write
7603 Float / 4 Upper warning
limit
Exceeding this limit
causes a warning.
max. density
[kg/m
3
]
(7600)
0 - max. density Read /
write
7605 Float / 4 Lower warning
limit
Falling below this limit
causes a warning.
1.0
[kg/m
3
]
(7600)
0 - max. density Read /
write
7607 Float / 4 Lower alarm
limit
Falling below this limit
causes an alarm.
1.0
[kg/m
3
]
(7600)
0 - max. density Read /
write
7612 Float / 4 Hysteresis Hysteresis that affects
the alarm and warning
limits.
.0
[kg/m
3
]
(7600)
0 - max. density Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 187